You must be aware of when sharing or download files using torrent.
downloading movies, software, music, video, e-books, posters, images without permission is illegal. be sure it is free before you download
be aware that the downloaded files may contain obscene photos or videos.
the p2p program used to access files on you can come with programs that reveals your private information and display annoying banners and advertisements
avoid sharing your own files
do not take the offers to install programs on your computer
p2p programs that you download and install can contain malware (Trojan, virus, spyware etc.)